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The population standard deviation for the average life expectancy for a refrigerator part is 3 years.If we want to be 95% confident that the sample
- The population standard deviation for the average life expectancy for a refrigerator part is 3 years.If we want to be 95% confident that the sample life expectancy is within 1 year of the true population mean, how many randomly selected refrigerator parts would we need to examine?
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Abstract Analytic Number Theory
Authors: John Knopfmacher
1st Edition
0486169340, 9780486169347
